1.1 This standard specifies the filling ratios and the associated internal pressure ( gauge ) developed by different high pressure liquefiable gases contained in cylinders, at the maximum attainable temperature of 65°C.
1.1.1 Filling ratios for low pressure liquefiable gases have been covered in IS : 3710-1978*.
IS 8866-1978 history
1978IS 8866-1978 The filling ratio of high-pressure liquefiable gas in the cylinder and the corresponding expansion pressure